Perfect Pet Cat Flap Up To 12 Lbs Telescoping Frame Flap Size 6 1/4" x 6 1/4"

Designed for cats up to 12 lbs, this durable cat flap features an adjustable telescoping frame for door thicknesses 1 1/4" to 1 3/4". Includes comprehensive installation instructions. • Flap dimensions: 6 1/4" x 6 1/4" • Fits door thickness 1 1/4" to 1 3/4" • Made with weatherproof, unbreakable LEXAN™ flap • Lifetime warranty included • Easy four-step installation process Box has minor shipping labels/residue and slight wear but is unopened.